<!DOCTYPE html>
<html lang="en" dir="ltr">

<head>
  <meta charset="utf-8">
  <title></title>
  <!--引入three.js三维引擎-->
  <script src="http://www.yanhuangxueyuan.com/versions/threejsR92/build/three.js"></script>
</head>

<body>
  <script>
    var Points = new THREE.Points()

    var Line = new THREE.Line()
    var LineSegments = new THREE.LineSegments()
    var LineLoop = new THREE.LineLoop()
    
    var Mesh = new THREE.Mesh()

    console.log(Points.isPoints);
    console.log(Line.isLine);
    console.log(LineSegments.isLineSegments);
    console.log(LineLoop.isLineLoop);
    console.log(Mesh.isMesh);

  </script>

</body>

</html>
